childNodes 用法两例

　　第一：

<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.0 Transitional//EN"> 
<HTML> 
<HEAD> 
<TITLE> New Document </TITLE> 
<META NAME="Generator" CONTENT="EditPlus"> 
<META NAME="Author" CONTENT=""> 
<META NAME="Keywords" CONTENT=""> 
<META NAME="Description" CONTENT=""> 
<img src="/_New/_cj/myeditor/sysimage/space.gif" class="ewebeditor__script" _ewebeditor_fake_tag="script" _ewebeditor_fake_value="%3CSCRIPT%20LANGUAGE%3D%22JavaScript%22%3E%20%0D%0A%3C!--%20%0D%0Avar%20row%20%3D%20-1%3B%20%0D%0Afunction%20showEdit(obj)%7B%20%0D%0Avar%20cell2%20%3D%20obj.parentNode.parentNode.childNodes%5B1%5D%3B%20%0D%0Avar%20rowIndex%20%3D%20obj.parentNode.parentNode.rowIndex%3B%20%0D%0Acell2.innerHTML%20%3D%20%22%3Cinput%20type%3D'text'%20value%3D'%22%2B%20cell2.innerHTML%20%2B%22'%3E%22%3B%20%0D%0Aif(row%20!%3D%20-1)%7B%20%0D%0Avar%20oldCell2%20%3D%20document.getElementById(%22tb%22).rows%5Brow%5D.cells%5B1%5D%3B%20%0D%0AoldCell2.innerHTML%20%3D%20oldCell2.childNodes%5B0%5D.value%3B%20%0D%0A%7D%20%0D%0Arow%20%3D%20rowIndex%3B%20%0D%0A%7D%20%0D%0A%2F%2F--%3E%20%0D%0A%3C%2FSCRIPT%3E"> 
</HEAD> 
<BODY> 
<table id="tb"> 
<TR> 
<TD><input type="radio" onclick="showEdit(this)" name="rad"></TD> 
<TD></TD> 
<TD></TD> 
</TR> 
<TR> 
<TD><input type="radio" onclick="showEdit(this)" name="rad"></TD> 
<TD></TD> 
<TD></TD> 
</TR> 
<TR> 
<TD><input type="radio" onclick="showEdit(this)" name="rad"></TD> 
<TD></TD> 
<TD></TD> 
</TR> 
</TABLE> 
</BODY> 
</HTML>

　　 [Ctrl+A 全选注:如需引入外部Js需刷新才能执行]

　　第二：

　　 [Ctrl+A 全选注:如需引入外部Js需刷新才能执行]

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